Middle Ordovician Antelope Valley Limestone

Eureka County, Nevada

Exterior and interior views of a brachiopod pedicle valve from the late middle Ordovician Antelope Valley Limestone, Eureka County, Nevada, a number of miles west of the western border of White Pine County, Nevada. Genus-species is Desmorthis nevadensis. Photograph courtesy Rueven James Ross, Jr.; I edited and processed the image through photoshop.

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